Chemical substance
matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of and characterized by physical properties like density
carbonaceous sulfur hydride
basic fuchsin
sumatriptan succinate
cobalt ferrite
cellulose derivative
technetium
coolant
chemical product
biphasic calcium sulfate
quinacridone pigments
solute
tin
nitrogen halide
lacquer
phosphor
chemical element
Iron dioxide
plastic
OP-2
penetration enhancer
radioactive matter
Medicine
mineral substance
fresh frozen plasma
Earth acids
catalyst
wax
potion
explosive material
volatiles
cosmetics
iron oxide pigment
soot
electron donor-acceptor complex
propellant
curare
rosin
fatty alcohol sulfate
compressed air
weapons-grade
solvent
thionyl halide
fragrance
dopant
commodity chemical
Pigment Yellow 34
halogen oxide
tracer
stinking animal oil
Safranines